Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 231-104-6 | CAS number: 7439-95-4
Long-term toxicity to fish
Administrative data
- Endpoint:
- fish short-term toxicity test on embryo and sac-fry stages
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Not a guideline study; Insufficient documentation.
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Aquatic toxicity tests on inorganic elements occuring in oil shale.
- Author:
- Birge W.J., Black J.A., Westerman A.G., Hudson J.E.
- Year:
- 1 980
- Bibliographic source:
- Gale, C. (Ed.) Oil shale symosium: sampling, analysis and quality assurance. Ohio, Cinncinati. Pp 519-534.
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- GLP compliance:
- no
Test material
- Reference substance name:
- 7791-18-6
- Cas Number:
- 7791-18-6
- IUPAC Name:
- 7791-18-6
- Reference substance name:
- Magnesium chloride hexahydrate
- IUPAC Name:
- Magnesium chloride hexahydrate
- Details on test material:
- MgCl2.6H2O
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- yes
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Oncorhynchus mykiss (previous name: Salmo gairdneri)
- Details on test organisms:
- embryos
Study design
- Test type:
- semi-static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 28 d
- Post exposure observation period:
- no data
Test conditions
- Hardness:
- Hardness 92-110 mg CaCO3/L
- Test temperature:
- 12-13°C
- pH:
- 6.9-7.8
- Dissolved oxygen:
- 9.3-10.1 mg O2/L
- Salinity:
- no data
- Nominal and measured concentrations:
- not reported
- Details on test conditions:
- Semi-static (renewal every 12h)
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 28 d
- Dose descriptor:
- other: LC1
- Effect conc.:
- 368 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- dissolved
- Remarks:
- magnesium
- Basis for effect:
- mortality
- Remarks on result:
- other: 95% CL 255-476
- Duration:
- 28 d
- Dose descriptor:
- LC10
- Effect conc.:
- 661 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- dissolved
- Remarks:
- magnesium
- Basis for effect:
- mortality
- Remarks on result:
- other: 95% CL 518-788
- Duration:
- 28 d
- Dose descriptor:
- LC50
- Effect conc.:
- 1 355 mg/L
- Nominal / measured:
- meas. (not specified)
- Conc. based on:
- dissolved
- Remarks:
- magnesium
- Basis for effect:
- mortality
- Remarks on result:
- other: 95% CL 1199-1507
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
